Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10882688 | Sheet material for extraction, extraction filter, and extraction bag | Naoko Yamaguchi | 2021-01-05 |
| 10548427 | Sheet for extraction, extraction filter, and extraction bag | Naoko Yamaguchi, Ryosuke HAYAMI | 2020-02-04 |